Ascaridioza

Ascaridioza (limbricii)

    * Introduction
    * Symptoms and Diagnosis
    * Treatment
Ascaridioza cylindrical worm is Ascaris lumbricoides infection. The infection usually causes no symptoms but can cause fever, coughing and wheezing, followed by cramping abdominale.In severe cases, children may have impaired staturo-weight, and worms can block the intestine, cause pain and severe vomiting. Limbricii are the most common cylindrical worm infection, affecting over 1 billion persoane.Este 4 widespread in areas of health care TROUBLE, tropical and subtropical areas. Infection begins with ingestion of ascaris eggs, often through contaminated food contaminate.Acestea by contact with the ground is full of eggs from human or animal feces. Eggs are very resistant to environmental conditions inconjuratoe, and can survive on the ground until a few years. Once ingested, larvae hatch and release larvae of ascaris in intestin.Fiecare migrate through the intestinal wall and enter the lymphatic and blood vessels up to pass into the alveolar sacs plamini.Din bronchus, larynx and then up in the system are reinghiti will digestiv.Se mature in the small intestine and live as an adult worm. Many people are asymptomatic or have a cough, fever, expectoration of sputum hemoptoica tract during passage through the larval respirator.Un large number of intestinal worms can cause abdominal cramps, and occasionally intestinal obstruction with vomiting, nausea, dizziness. The best preventive strategies include the use of proper hygiene and sanitary products and fruit and vegetable consumption eviotarea unwashed or uncooked. Treatment is based on anthelmintics: albendazole, pirantel pamoate.
Causes and pathogenesis Ascaris lumbricoides is the largest of nematode-cylindrical worms that parasitize oamenii.Adultii are white or yellowish, with a length of 15-35 months 10-24 cm.Traiesc jejunum and intestine subtire.In his mother every day a female produces 240,000 eggs that are fertilized are eliminated masculi.Ouale soil fertilized with feces, become infectious in 5-10 zile.Acestea can remain viable in soil up to 17 luni.Infectia is transmitted by fecal-oral and food- contaminated. After being ingested, eggs hatch and cross the intestinal wall, passing into the lymphatic and blood arriving in the larval state plamini.Ciclul takes 1-2 months and can cause pneumonia and eozinifilie. The second stage involves migration of larvae and spit reached reinghitirea acestora.Larvele dinnou will mature in the gut here, will make eggs and be eliminated through stool or mouth. Adult worms feed on the byproducts of digestion of mu gazdei.Viermii multiply in the host, they live up to 2 years for the infection to persist is a need for reinfection with eggs on the ground.